1
George W Swisher Jr, Don W Smith, Gary L Westphall: Material transfer mechanism. CMI Corporation, Dunlap Codding and McCarthy, December 14, 1976: US03997277 (74 worldwide citation)

An improved material transfer mechanism comprising a selectively variable speed hydraulic power assembly having an output connected to and powering a material conveyor. A double acting hydraulic ram positions a swash plate control lever that determines the rotational speed of the output shaft, and a ...


2
George W Swisher Jr, Donald W Smith, Carl D Parker: Roadway planing apparatus. CMI Corporation, Dunlap & Codding, April 20, 1982: US04325580 (73 worldwide citation)

A planer apparatus for cutting a selected upper portion of a roadway surface to coincide with a preselected reference plane, comprising a main frame drivingly supported by a drive assembly, the main frame carrying a planing assembly comprising a rotating cutter drum assembly and a cutter drive assem ...


3
George W Swisher Jr, John F Phillips: Paving machine having automatic metering screed control. CMI Corporation, Dunlap & Codding P C, December 31, 1996: US05588776 (43 worldwide citation)

A paving machine having a sensor-controlled concrete metering screed. The machine includes hydraulic cylinders which move the metering screed to various elevations to control the depth of concrete being metered out by the screed. At least one ultrasonic sensor is slide-mounted to the machine above a ...


4
George W Swisher Jr, Thomas L Steele, Richard A Silbernagle: Method and apparatus for collecting particulate material on a roadway. CMI Corporation, Dunlap Codding & McCarthy, September 22, 1981: US04290820 (38 worldwide citation)

An improved front-end loader apparatus for collecting particulate material on a roadway surface comprising a frame assembly drivingly supported on the roadway, a windrow formation assembly supported at the forward end of the frame assembly for brushing particulate material into a windrow, and a feed ...


5
George W Swisher Jr: Apparatus for preparing a road bed. Dunlap Codding & Lee, March 2, 1993: US05190398 (38 worldwide citation)

An apparatus for pulverizing a surface such as a road bed, parking lot, an interstate shoulder or the like. The apparatus comprises a frame with a cutting means secured thereto. A bidirectional drive and control means is also provided to enable the apparatus to make multiple passes over a surface wh ...


6
George W Swisher Jr: Method for resurfacing a paved roadway. CMI Corporation, Dunlap Codding & McCarthy, April 1, 1980: US04195946 (35 worldwide citation)

A method and apparatus for resurfacing an existing paved roadway to produce a new roadway surface having a predetermined grade and cross slope, particularly wherein the existing paved roadway has at least one irregular depression therein extending below the predetermined grade and wherein the portio ...


7
George W Swisher Jr: Road planar having particle reducing means. CMI Corporation, Dunlap Codding & Peterson, January 20, 1987: US04637753 (35 worldwide citation)

A road planar which includes a secondary cutter in the planar behind the primary cutter with grids between the primary and secondary cutters and following the secondary cutter to size and cooperate with the secondary cutter in reducing the particle size of pavement material removed by the primary cu ...


8
George W Swisher Jr: Paving material machine having a tunnel with automatic gate control. Dunlap & Codding, September 26, 1995: US05452966 (35 worldwide citation)

A paving machine having a gate control system for maintaining a target depth of paving material on the surface to be paved. The paving machine includes a wheeled frame having a lengthwise tunnel and a conveyor for moving paving material through the tunnel. A pair of gates are provided to control the ...


9
George W Swisher Jr: Milling machine with front-mounted cutter. Dunlap Codding & Lee, January 3, 1995: US05378081 (28 worldwide citation)

A milling machine having a rotary cutter drum which is movable both horizontally and vertically into operating position. The milling machine includes a mobile frame, a cutter rack, a cutter housing, a cutter drum and a pair of cutter skids. The cutter rack is mounted for vertical sliding movement to ...


10
George W Swisher Jr: Pulverizing machine having a cutter assembly towed in both forward and reverse directions. Dunlap Codding & Lee, October 11, 1994: US05354147 (27 worldwide citation)

A pulverizing machine with a cutter assembly adapted to be towed when the machine is moving either forward or in reverse. The machine includes a frame, a plurality of wheels supporting the frame, a cutter assembly carried by the frame and a pair of elevation cylinders for raising and lowering the cu ...



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